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1 适时播种,培育壮秧协优507在含山县作一季稻栽培,一般油菜茬稻在4月25日前后播种,麦茬稻在5月5日前后播种为宜,采取旱育稀植,苗床每20～25m~2播干稻谷1.0～1.5kg;采取湿润育秧,秧田播量150～187.5kg/hm~2,大田用种量22.5kg/hm~2,稀播匀播。在一叶一心期,用150×10~(-6)多效唑均匀喷施,促进分蘖,防止徒长,二叶一心时施断奶肥施尿素90kg/hm~2,移栽前5d,施起身肥尿素75kg/hm~2,移栽时秧龄30～35d左右。
A timely sowing, nurturing seedling Xieyou 507 in a mountainous area for a quarter of rice cultivation, general stubble rape crop in April 25 before and after sowing, wheat stubble in the May 5 planting is appropriate, to dry and nursery plants, seedbed per 20 ~ 25m ~ 2 sowing paddy 1.0 ~ 1.5kg; sowing wet seedling, sowing sowing 150 ~ 187.5kg / hm ~ 2, field with the amount of 22.5kg / hm ~ 2, In a leaf a heart phase, with 150 × 10 ~ (-6) paclobutrazol even spraying, to promote tillering, to prevent leggy, two leaves when the heart of the weaning urea fertilizer 90kg / hm ~ 2, transplanting 5d, 75kg / hm ~ 2, transplanting seedling age about 30 ~ 35d.